| Typicality: | 0.615 |
| Saliency: | 0.627 |
| to existing inventions | 13 | transitive-object |
| in the country | 12 | location |
| for 20 years | 11 | temporal |
| patent → protect → invention | 175 |
| patent → protect → the invention | 27 |
| patent → protect → his invention | 8 |
| patent → protect → their inventions | 5 |
| patent → protect → particular invention | 4 |
| patent → protect → following inventions | 4 |
| patent → protect → technical invention | 3 |
| patent → protect → their invention | 3 |
| negative | neutral | positive |
| 0.091 | 0.667 | 0.242 |
| Raw frequency | 229 |
| Normalized frequency | 0.627 |
| Modifier score | 0.800 |
| Perplexity | 146.960 |